@font-face {
  font-family: TXWHZGBJT;
  src: url('../css/碳纤维汉真广标简体.ttf');
}
.game_introduce {
  padding-bottom: 100px;
}
.game_introduce .nav {
  width: 935px;
  margin: 20px auto 15px auto;
  overflow: hidden;
}
.game_introduce .nav .kk_logo {
  float: left;
}
.game_introduce .nav .kk_logo img {
  width: 175px;
  height: 53px;
}
.game_introduce .nav nav {
  float: right;
  margin-top: 30px;
}
.game_introduce .nav nav a {
  overflow: hidden;
  display: inline-block;
  height: 21px;
  border-left: 1px solid #5443C9;
  color: #5443C9;
  padding: 0 15px;
  font-family: TXWHZGBJT;
  font-weight: normal;
}
.game_introduce .nav nav a span {
  position: relative;
  display: inline-block;
  text-align: center;
  -webkit-transition: -webkit-transform 0.3s;
          transition: transform 0.3s;
}
.game_introduce .nav nav a span::before {
  position: absolute;
  top: 100%;
  content: attr(data-hover);
  font-weight: bold;
  -webkit-transform: translate3d(0, 0, 0);
          transform: translate3d(0, 0, 0);
}
.game_introduce .nav nav a:nth-child(6) {
  border-right: 1px solid #5443C9;
}
.game_introduce .nav nav a:hover span {
  -webkit-transform: translateY(-100%);
      -ms-transform: translateY(-100%);
          transform: translateY(-100%);
}
.game_introduce .top {
  width: 1200px;
  margin: 0 auto;
}
.game_introduce .top .title img {
  width: 1200px;
  height: 120px;
}
.game_introduce .game_download {
  width: 1198px;
  height: 538px;
  background-color: #523DCA;
  border: 1px solid #523DCA;
  margin: 0 auto;
  margin-top: 20px;
}
.game_introduce .game_download .qr_code {
  margin-top: 45px;
  margin-left: 820px;
}
.game_introduce .game_download .qr_code .pic img {
  width: 260px;
  height: 260px;
  border-radius: 10px;
  box-shadow: 0px 0px 10px 5px darkgray;
}
.game_introduce .game_download .qr_code .btn {
  margin-top: 30px;
}
.game_introduce .game_download .qr_code .btn button {
  width: 260px;
  height: 68px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.game_introduce .game_download .qr_code .btn button:nth-child(1) {
  background-image: url(../img/game_introduce/game_introduce_game_download_btn1.png);
}
.game_introduce .game_download .qr_code .btn button:nth-child(2) {
  background-image: url(../img/game_introduce/game_introduce_game_download_btn2.png);
  margin-top: 25px;
}
.game_introduce .game_classify {
  width: 1200px;
  margin: 0 auto;
}
.game_introduce .game_classify .classify {
  margin-top: 40px;
}
.game_introduce .game_classify .classify ul {
  overflow: hidden;
  margin-top: 20px;
}
.game_introduce .game_classify .classify ul li {
  float: left;
  margin-left: 35px;
}
.game_introduce .game_classify .classify ul li img {
  width: 365px;
  height: 365px;
}
.game_introduce .game_classify .classify ul li .text {
  width: 320px;
  margin: 0 auto;
}
.game_introduce .game_classify .classify ul li .text p:nth-child(1) {
  font-family: TXWHZGBJT;
  color: #513dc9;
  font-size: 18px;
  border-bottom: 1px solid #cfcfcf;
  padding: 15px 0 8px 20px;
}
.game_introduce .game_classify .classify ul li .text p:nth-child(2) {
  color: #626262;
  padding: 5px 20px 0 20px;
  letter-spacing: 1px;
  position: relative;
  line-height: 1.4em;
  /* 3 times the line-height to show 3 lines */
  height: 2.8em;
  overflow: hidden;
  width: 280px;
}
.game_introduce .game_classify .classify ul li .text p:nth-child(2)::after {
  content: "...";
  font-weight: bold;
  position: absolute;
  bottom: 0;
  right: 29px;
  background: white;
}
.game_introduce .game_classify .classify ul li .text p:nth-child(2).hide::after {
  display: none;
}
.game_introduce .game_classify .classify ul li:nth-child(3n+1) {
  margin-left: 0;
  margin-top: 40px;
}
.game_introduce .game_classify .classify ul li:nth-child(1) {
  margin-top: 0;
}
